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softpipe: add depth clamping support. (v2)

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This passes the piglit depth clamp tests.

this is required for GL 3.2.

v2: move min/max up one level, could go further, thanks
to Roland for suggestion.

v1: Reviewed-by: Brian Paul <brianp@vmware.com>

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2014-06-10 10:56:51 +10:00
parent a4670de0a0
commit 5a57248541
2 changed files with 30 additions and 6 deletions
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2
src/gallium/drivers/softpipe/sp_screen.c
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@@ -111,7 +111,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 1;
case PIPE_CAP_DEPTH_CLIP_DISABLE:
return 0;
return 1;
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return PIPE_MAX_SO_BUFFERS;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: